Tzochev, Chavdar ... The American School of Classical Studies at Athens ... The Athenian Agora: Results of Excavations Conducted by the American School of Classical Studies at Athens 37 978-0-87661-237-8 ... 2016
Accumulated fillings in a system of underground drains at west end of section ΔΔ with northward continuation into and across Section Υ.
The filling in the "underground passages" in section ΔΔ appears to ... 3rd c. B.C.
2nd c A.D.